David A. Martin (1937 – August 2, 1987)[1] was a founding member and original bass player for the rock group Sam the Sham, and recorded all their early hits on MGM Records. Martin also co-wrote the group's #1 hit "Wooly Bully" which sold over three million records. After leaving the group in late 1965, he returned to Garland, Texas, a Dallassuburb, where he operated a television and video repair shop, located on Lavon Drive (Highway 78), until his death.